/Engine/Plugins/FX/NiagaraSimCaching/Source/NiagaraSimCachingEditor/Public/Sequencer/NiagaraCacheTrackEditor.h
Called when the section should be painted
The new LayerId
virtual int32 OnPaintSection ( [FSequencerSectionPainter](API\Editor\Sequencer\FSequencerSectionPainter) & InPainter ) const